Wonsiin
Platform: Sega Master System
Region: Korea
Media: Cartridge
Controller: Master System Controller
Genre: Shooter
Gametype: Unlicensed
Release Year: 1991
Developer: Zemina
Publisher: Zemina
Players: 1
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This is a Samsung Gam*Boy / Master System game. A vertical ground shooter in the vein of Knightmare or The Three Dragon Story that is actually pretty decent.

Boss seems really difficult though. The game seems to be an unlicensed adaptation of Hudson Soft's Famicom game "Shin Jinrui: The New Type" / "Adventures of Dino Riki".
